TJF-240 and JF-240 EVIS DUODENOVIDEOSCOPE Operation Manual Aug 2006.pdf
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INSTRUCTIONS
EVIS DUODENOVIDEOSCOPE
OLYMPUS JF-240
OLYMPUS TJF-240
Refer to the endoscope’s companion manual, the “REPROCESSING MANUAL” whose
cover lists the model of your endoscope, for reprocessing information.
Page 3
Contents
Contents
Symbols.........................................................................................
1
Important Information — Please Read Before Use....................
2
Intended Use ............................................................................................
2
Applicability of Endoscopy and Endoscopic Treatment ...........................
2
Instruction Manual.....................................................................................
3
User Qualifications ...................................................................................
3
Instrument Compatibility ...........................................................................
3
Reprocessing and Storage........................................................................
4
Spare Equipment .....................................................................................
4
Repair and Modification ...........................................................................
4
Signal Words ............................................................................................
4
Warnings and Cautions ............................................................................
5
Chapter 1
Checking the Package Contents............................
8
Checking the Package Contents.....................................................
8
Instrument Nomenclature and Specifications ......
10
2.1
Nomenclature..................................................................................
10
2.2
Endoscope Functions .....................................................................
12
2.3
Specifications..................................................................................
14
Preparation and Inspection ....................................
17
3.1
Preparation of the Equipment .........................................................
18
3.2
Preparation and Inspection of the Endoscope ................................
19
3.3
Preparation and Inspection of Accessories.....................................
23
3.4
Attaching Accessories to the Endoscope........................................
27
3.5
Preparation, Inspection and Connection of the Ancillary Equipment
35
3.6
Inspection of the Endoscopic System .............................................
37
Operation .................................................................
40
4.1
Insertion ..........................................................................................
42
4.2
Using Endo-Therapy Accessories...................................................
47
4.3
Withdrawal of the Endoscope .........................................................
52
4.4
Transportation of the Endoscope....................................................
52
Troubleshooting ......................................................
54
5.1
Troubleshooting Guide....................................................................
54
5.2
Returning the Endoscope for Repair...............................................
58
1.1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Contents
ii
Appendix........................................................................................
60
System Chart ...........................................................................................
60
EMC information........................................................................................
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EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Symbols
Symbols
The meaning(s) of the symbol(s) shown on the package with the components,
the back cover of this instruction manual and/or this instrument are as follows:
Refer to instructions.
Endoscope
Type BF applied part
Manufacturer
Authorized representative in the European Community
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Important Information — Please Read Before Use
Important Information — Please Read
Before Use
Intended Use
These instruments have been designed to be used with an Olympus Video
System Center, Light Source, Documentation Equipment, Video Monitor,
Endo-Therapy Accessories (such as a Forceps) and other ancillary equipment
for endoscopy and endoscopic surgery within the duodenum.
Do not use these instruments for any purpose other than their intended uses.
Applicability of Endoscopy and Endoscopic Treatment
If there is an official standard on the applicability of endoscopy and endoscopic
treatment that is defined by the hospital’s administration or other official
institutions such as academic societies on endoscopy, follow that standard.
Before starting endoscopy and endoscopic treatment, thoroughly evaluate its
properties, purposes, effects, and possible risk (their natures, extent and
probability). Perform endoscopy and endoscopic treatment only when its
potential benefits are greater than its risks.
Fully explain to the patient the potential benefits and risks of the endoscopy and
endoscopic treatment as well as any examination/treatment methods that can be
performed in its place, and perform the endoscopy and endoscopic treatment
only after obtaining the consent of the patient.
Even after starting the endoscopy and endoscopic treatment, continue to
evaluate the potential benefits and risks, and immediately stop the
endoscopy/treatment and take proper measures if the risks to the patient
become greater than the potential benefits.
2
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Important Information — Please Read Before Use
Instruction Manual
This instruction manual contains essential information on using this instrument
safely and effectively. Before use, thoroughly review this manual and the
manuals of all equipment such as the Distal Cover MAJ-311 or MAJ-411 which
will be used during the procedure and use the instruments as instructed. Note
that the complete instruction manual set for this endoscope consists of this
manual and the “REPROCESSING MANUAL” whose cover lists the model of
your endoscope. It also accompanied the endoscope at shipment.
Keep this and all related instruction manuals in a safe, accessible location.
If you have any questions or comments about any information in this manual,
please contact Olympus.
User Qualifications
The operator of this instrument must be a physician or medical personnel under
the supervision of a physician and must have received sufficient training in
clinical endoscopic technique. This manual, therefore, does not explain or
discuss clinical endoscopic procedures.
Instrument Compatibility
Refer to the “System Chart” in Appendix to confirm that this instrument is
compatible with the ancillary equipment being used. Using incompatible
equipment can result in patient injury or equipment damage.
This instrument complies with EMC standard for medical electrical equipment;
edition 2 (IEC 60601-1-2: 2001). However, when connected with an instrument
that complies with EMC standard for medical electrical equipment; edition 1
(IEC 60601-1-2: 1993), the whole system complies with edition 1.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Important Information — Please Read Before Use
Reprocessing and Storage
This instrument was not disinfected or sterilized before shipment. Before using
this instrument for the first time, reprocess it according to the instructions in the
endoscope’s companion manual, the “REPROCESSING MANUAL” whose cover
lists the model of your endoscope.
After using this instrument, reprocess and store it according to the instructions in
the endoscope’s companion manual, the “REPROCESSING MANUAL” whose
cover lists the model of your endoscope. Improper and/or incomplete
reprocessing or storage can present an infection control risk, cause equipment
damage or reduce performance.
Spare Equipment
Be sure to prepare another endoscope to avoid that the examination will be
interrupted due to equipment failure or malfunction.
Repair and Modification
This instrument does not contain any user-serviceable parts. Do not
disassemble, modify or attempt to repair it; patient or user injury and/or
equipment damage can result.
Problems that appear not to be malfunctions may be correctable by referring to
Chapter 5, “Troubleshooting”. If the problem cannot be resolved using the
information in Chapter 5, contact Olympus.
Signal Words
The following signal words are used throughout this manual:
Indicates a potentially hazardous situation which, if not
avoided, could result in death or serious injury.
Indicates a potentially hazardous situation which, if not
avoided, may result in minor or moderate injury. It may also
be used to alert against unsafe practices or potential
equipment damage.
4
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Important Information — Please Read Before Use
Indicates additional helpful information.
Warnings and Cautions
Follow the warnings and cautions described below when handling this
instrument. This information is supplemented by the warnings and cautions
described in each chapter.
•
Never insert or withdraw the endoscope’s Insertion Tube
while the Angulation Locks are fixed. Patient injury can result.
•
Do not strike, bend, hit, pull, twist, or drop the endoscope’s
Distal End, Insertion Tube, bending section, control section,
universal cord, or endoscope connector of the endoscope
with excessive force. The endoscope may be damaged and
could cause patient injury, burns, bleeding and/or
perforations. It could also cause parts of the endoscope to
fall off inside the patient.
•
Never perform angulation control forcibly or abruptly. Never
forcefully pull, twist or rotate the angulated bending section.
Patient injury, bleeding and/or perforation can result. It may
also become impossible to straighten the bending section
during an examination.
•
Never perform angulation control, air feed control, suction
control or insertion/withdrawal of the endoscope’s Insertion
Tube without viewing the endoscopic image. Patient injury
can result.
•
Do not operate the Bending Section, feed air or apply
suction, insert or withdraw the endoscope’s Insertion Tube
while the image remains frozen. This could result in patient
injury.
•
Never use the endoscope unless the Distal Cover is properly
attached to the Distal End. If the Distal Cover is not attached
correctly, it may fall off the Distal End during the examination.
Continuing the examination after the Distal Cover has fallen
off may cause patient injury by the exposed Distal End of the
endoscope. It could also result in thermal injury when used in
combination with high-frequency Endo-Therapy Accessories.
•
Do not touch the Light Guide immediately after removing it
from the Light Source because it is extremely hot.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Important Information — Please Read Before Use
6
•
Do not twist the Insertion Tube within a narrow tube. This
could cause the Distal Cover to come off.
•
Do not pull the Universal Cord. The endoscope’s Light Guide
Connector Section will be pulled out from the output socket of
the Light Source and the endoscopic image will not be
visible.
•
Do not coil the Insertion Tube and a Universal Cord with a
diameter of less than 12 cm. Equipment damage can result.
•
To avoid damage to the CCD, do not touch the electrical
contacts inside the Electrical Connector.
•
Do not apply shock to the Distal End of the Insertion Tube,
particularly the Objective Lens surface of the Distal End.
Vision abnormalities may result.
•
Do not twist or bend the Bending Section by hands.
Equipment damage may result.
•
Do not squeeze the Bending Section forcefully. The covering
of the Bending Section may stretch or break and cause water
leaks.
•
Be sure that the Video System Center power switch remains
OFF when attaching or detaching the Videoscope Cable from
the Electrical Connector. Turn the switch ON or OFF only
when the Videoscope Cable is connected to the Video
System Center and Electrical Connector of the endoscope.
Failure to do this can result in equipment damage, including
destruction of the CCD.
•
The endoscope’s Remote Switches cannot be removed from
the Control Section. Pulling them with excessive force can
break the Remote Switches.
•
If Remote Switch 1 does not return to the OFF position after
being pressed strongly from the side, gently tug the switch
upwards to return it to the OFF position.
•
Do not press the Remote Switches with undue force as this
could cause breakage.
•
Do not hit or bend the Electrical Contacts on the Light Guide
Connector Section. The connection to the Light Source may
be impaired and faulty contact can result.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Important Information — Please Read Before Use
•
Electromagnetic interference may occur on this instrument
near equipment marked with the following symbol or other
portable and mobile RF (Radio Frequency) communications
equipment such as cellular phones. If electromagnetic
interference occurs, mitigation measures may be necessary,
such as reorienting or relocating this instrument, or shielding
the location.
Details on clinical endoscopic technique are the responsibility of trained
specialists. Patient safety in endoscopic examinations and endoscopic treatment
can be ensured through appropriate handling by the physician and the medical
facility. Examples of inappropriate handling are given below.
•
Over-insufflating the lumen may cause patient pain and/or perforation.
•
Using improperly reprocessed or stored instruments may cause patient
cross-contamination and infection.
•
Applying prolonged suction with the Distal End in contact with the
mucous surface may cause bleeding or suction lesions.
•
Retroflexing the endoscope within the esophagus or duodenal bulb may
cause mucous trauma or impaction of the endoscope.
•
Inserting and using Endo-Therapy Accessories without a clear
endoscopic image may cause burns or perforation.
•
Patient injury may be caused by; inserting or withdrawing the
endoscope, feeding air or applying suction without a clear endoscopic
image; withdrawing the endoscope with the angulation controls locked;
forcefully pulling, twisting or rotating the angulated Bending Section.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 1 Checking the Package Contents
Chapter 1 Checking the Package
Contents
1.1
Checking the Package Contents
Match all items in the package with the components shown below. Inspect each
item for damage. If the instrument is damaged, a component is missing or you
have any questions, do not use the instrument; immediately contact Olympus.
This instrument was not disinfected or sterilized before shipment. Before using
this instrument for the first time, reprocess it according to the instructions in the
endoscope’s companion manual, the “REPROCESSING MANUAL” whose cover
lists the model of your endoscope.
8
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 1 Checking the Package Contents
Endoscope
Mouthpiece (MB-142)
Biopsy Valve
(MB-358, non-sterile)
Air/Water Valve
(MH-438)
Suction Valve (MH-443)
Suction Cleaning Adapter
(MH-856)
Washing Tube (MH-974)
Distal Cover
(MAJ-411, for JF-240 only)
(MAJ-311, for TJF-240 only)
AW Channel Cleaning
Adapter (MH-948)
Channel-opening Cleaning
Brush (MH-507)
Water-resistant Cap
(MH-553)
Channel Cleaning Brush
(BW-20T)
Injection Tube (MH-946)
Instruction Manual
(Reprocessing)
Instruction Manual
(Operation)
Channel Plug (MH-944)
Instruction Manual (Distal Cover)
Instructions (Caution for attaching
the Distal Cover)
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 2 Instrument Nomenclature and Specifications
Chapter 2 Instrument Nomenclature
and Specifications
2.1
Nomenclature
The endoscope’s Main Body is illustrated with its valves and Distal Cover
detached.
Venting Connector
Water-resistant Cap (MH-553)
Universal Cord
Mark 1
13. Suction Connector
16. Electrical Connector
17. S-Cord Connector Mount
Air Pipe
15. Air Supply Connector
15. Water Supply Connector
Light Guide
Mark 2
Product Number and Serial Number
Electrical Contacts
14. Light Guide Connector Section
10
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 2 Instrument Nomenclature and Specifications
3. UP/DOWN Angulation
Lock
1. UP/DOWN Angulation
Control Knob
7. Suction Valve (MH-443)
Suction Cylinder
6. Air/Water Valve (MH-438)
5. Elevator Control Lever
2. RIGHT/LEFT
Angulation
Control Knob
Control
Section
9. Remote Switches
4. RIGHT/LEFT
Angulation Lock
Air/Water Cylinder
Grip Section
8. Color Code
Yellow: JF-240
Orange: TJF-240
Biopsy Valve (MB-358)
<Non-Sterile>
10. Instrument Channel Port
11. Elevator Channel Plug
Boot
Working Length
Insertion Tube
Limit Mark
Distal Cover (MAJ-411)
(for JF-240 only)
Distal Cover (MAJ-311)
(for TJF-240 only)
<Non-Sterile>
Insertion Tube
Distal End
12. Bending Section
9. Remote Switches
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 2 Instrument Nomenclature and Specifications
2.2
Endoscope Functions
1. UP/DOWN Angulation Control Knob
When turned in the “ U” direction, the Bending Section moves UP; when
turned in the “D ” direction, the Bending Section moves DOWN.
2. RIGHT/LEFT Angulation Control Knob
When turned in the “R ” direction, the Bending Section moves RIGHT;
when turned in the “ L” direction, the Bending Section moves LEFT.
3. UP/DOWN Angulation Lock
Pushing the lever in the “F ” direction frees angulation. Pushing the lever
in the opposite direction locks the Bending Section at any desired position.
4. RIGHT/LEFT Angulation Lock
Pushing this lever in the “F ” direction frees angulation. Pushing the lever
in the opposite direction locks the Bending Section at any desired position.
5. Elevator Control Lever
When this lever is turned in the “ U” direction, the Forceps Elevator is
raised. When turned in the opposite direction, the Forceps Elevator is
lowered.
6. Air/Water Valve
Cover the valve to insufflate air. Depress the valve to feed water for lens
washing. If necessary, feed air to remove any remaining fluid or debris
adhering to the Objective Lens.
7. Suction Valve
Depress the valve to activate suction. Used to remove any fluid and/or
debris that obstruct the visual field.
8. Color Code
(Yellow: JF-240)
(Orange: TJF-240)
Used to quickly determine the compatibility of Endo-Therapy Accessories.
(The endoscope can be used with Endo-Therapy Accessories that have the
same Color Code.)
9. Remote Switches 1 to 4
The functions of the Remote Switches 1 to 4 should be selected on the
Video System Center. For selecting the functions, refer to the instruction
manual for the Video System Center.
10. Instrument Channel Port
Functions as: Channel for the insertion of Endo-Therapy Accessories;
Suction Channel; fluid feed channel (from a syringe via the Biopsy Valve).
12
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Chapter 2 Instrument Nomenclature and Specifications
11. Elevator Channel Plug
To connect the Washing Tube for cleaning and disinfection of Elevator
Channel.
12. Bending Section
Moves the Distal End of the endoscope by operating the UP/DOWN and
RIGHT/LEFT Angulation Control Knobs.
13. Suction Connector
Connects to the Suction Tube.
14. Light Guide Connector Section
Connects to the output socket of the EVIS Universal Light Source, receives
the lamp light from the EVIS Universal Light Source in the Light Guide and
transfers the light internally.
15. Water Supply Connector and Air Supply Connector
Connects the Water Container’s Water Supply Tube to supply water.
16. Electrical Connector
To connect the Videoscope Cable from the EVIS Video System Center.
17. S-Cord Connector Mount
Connects to the S-cord to conduct leakage current from the endoscope to
the Olympus Electrosurgical Unit. To connect the S-Cord, refer to the
instruction manual for the Olympus Electrosurgical Unit.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 2 Instrument Nomenclature and Specifications
2.3
Specifications
Environment
Operating
environment
Transportation and
storage
environment
14
Ambient temperature
10 – 40°C
Relative humidity
30 – 85%
Atmospheric pressure
700 – 1060 hPa
Ambient temperature
–47 to 70°C
Relative humidity
10 – 95%
Atmospheric pressure
700 – 1060 hPa
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 2 Instrument Nomenclature and Specifications
Specifications
Endoscope Functions
Model
Optical
System
JF-240
Field of View
Direction of View
100°
Backward
Sideviewing 15°
Depth of Field
Insertion Tube
TJF-240
Distal End Outer
Diameter
Distal End enlarged
Backward
Sideviewing 5°
5 – 60 mm
ø 12.6 mm
ø 13.5 mm
1. Air/Water Nozzle
5. Forceps Elevator
2. Light Guide Lens
6. Hook
3. Objective Lens
7. Elevator Wire
4. Instrument
Channel
8. White Ring
6.
2.
3.
1.
5.
7.
4.
8.
Instrument
Channel
Insertion Tube Outer
Diameter
ø 11.0 mm
ø 12.0 mm
Working Length
1235 mm
1240 mm
Channel Inner
Diameter
ø 3.2 mm
ø 4.2 mm
Minimum Visible
Distance
10 mm
Direction from which
Endo-Therapy
Accessories enter
and exit the
endoscopic image
Air Flow Rate
25 cm3/sec
Note: Standard when CLV-U40 (high air
pressure) is used.
Bending Section Angulation Range
Total Length
UP 120°, DOWN 90°,
RIGHT 110°, LEFT 90°
1535 mm
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
1540 mm
15
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Chapter 2 Instrument Nomenclature and Specifications
Medical Device
Directive
EMC
This device complies with the requirements
of Directive 93/42/EEC concerning medical
devices.
Classification: Class II a
Applied standard;
IEC 60601-1-2: 2001
This instrument complies with the
standards listed in the left column.
CISPR 11 of emission:
Group 1, Class B
This instrument complies with the EMC
standard for medical electrical equipment;
edition 2 (IEC 60601-1-2: 2001). However,
when connecting to an instrument that
complies with the EMC standard for
medical electrical equipment; edition 1
(IEC 60601-1-2: 1993), the whole system
complies with edition 1.
Year of
manufacture
2812345
The last digit of the year of manufacture is
given in the second digit of the serial
number.
Degree of
protection
against
electric shock
16
TYPE BF applied part
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 3 Preparation and Inspection
Chapter 3 Preparation and Inspection
•
Before each case, prepare and inspect this instrument as
instructed below. Inspect other equipment used with this
instrument as instructed in their respective instruction
manuals. Should the slightest irregularity be suspected, do
not use this instrument and see Chapter 5,
“Troubleshooting”. If the irregularity is still suspected after
consulting Chapter 5, contact Olympus. Damage or
irregularity may compromise patient or user safety and may
result in more-severe equipment damage.
•
This instrument was not disinfected or sterilized before
shipment. Before using this instrument for the first time,
reprocess it according to the instructions in the endoscope’s
companion manual, the “REPROCESSING MANUAL” whose
cover lists the model of your endoscope.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 3 Preparation and Inspection
3.1
Preparation of the Equipment
According to the “System Chart” in Appendix, prepare this instrument, ancillary
equipment, paper towels, trays, lint-free cloth and protective equipment, such as
eye wear, face mask, moisture-resistant clothing and chemical-resistant gloves,
for the particular case. Refer to the respective instruction manual for each piece
of equipment.
Video Monitor
Video System Center
Light Source
Endo-Therapy Accessories
Suction Pump
Water Container
Mouthpiece
Biopsy Valve
Endoscope
• Paper Towels
• Trays
• Protective Equipment
Figure 3.1
18
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
• Lint-free Cloth
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Chapter 3 Preparation and Inspection
3.2
Preparation and Inspection of the Endoscope
Clean and disinfect (or sterilize) the endoscope as described in the endoscope’s
companion manual, the “REPROCESSING MANUAL” whose cover lists the
model of your endoscope.
Inspection of the Endoscope
1.
Inspect the control section and the endoscope connector for excessive
scratching, deformation, loose parts or other irregularities.
2.
Inspect the boot and the Insertion Tube near the boot for bends, twists or
other irregularities.
3.
Inspect the external surface of the entire Insertion Tube including the
bending section and the Distal End for dents, bulges, swelling, scratching,
holes, sagging, transformation, bends, adhesion of foreign bodies, dropout
of parts, any protruding objects or other irregularities.
4.
Holding the Insertion Tube gently with one hand, carefully run your fingertips
over the entire length of the Insertion Tube in both directions (see Figure
3.2). Confirm that no objects or metallic wire protrude from the Insertion
Tube. Also confirm that the Insertion Tube is not abnormally rigid.
Figure 3.2
5.
Using both hands, bend the Insertion Tube of the endoscope into a
semicircle. Then, moving your hands as shown by the arrows in Figure 3.3,
confirm that the entire Insertion Tube can be smoothly bent to form a
semicircle and that the Insertion Tube is pliable.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 3 Preparation and Inspection
Figure 3.3
6.
Gently hold the midpoint of the bending section and a point 20 cm from the
Distal End. Push and pull gently to confirm that the junction between the
bending section and the Insertion Tube is not loose.
7.
Inspect the objective lens at the Distal End of the endoscope’s Insertion
Tube for scratching, cracks, stains, gaps around the lens or other
irregularities.
8.
Inspect the air/water nozzle at the Distal End of the endoscope’s Insertion
Tube for abnormal swelling, bulges, dents or other irregularities.
Inspection of the Bending Mechanisms
Perform the following inspections while the Bending Section is straight.
If the movement of the UP/DOWN Angulation Lock,
RIGHT/LEFT Angulation Lock and their Angulation Control
Knobs are loose and/or not smooth, or the bending section
does not angulate smoothly, the bending mechanism may be
abnormal. In this case, do not use the endoscope because it
may be impossible to straighten the bending section during
an examination.
Inspection for Smooth Operation
20
1.
Confirm that both the UP/DOWN and RIGHT/LEFT Angulation Locks are
placed in the “F ” position.
2.
Turn the UP/DOWN and RIGHT/LEFT Angulation Control Knobs slowly in
each direction until they stop. Confirm that the Bending Section angulates
smoothly and correctly and that maximum deflection can be achieved.
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL
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Chapter 3 Preparation and Inspection
3.
Turn the UP/DOWN and RIGHT/LEFT Angulation Control Knobs slowly to
their respective neutral positions. Confirm that the Bending Section returns
smoothly to an approximately straight condition.
Inspecting the UP/DOWN Angulation Mechanism
1.
Turn the UP/DOWN Angulation Lock in the opposite direction of the “F ”
mark. Then turn the UP/DOWN Angulation Control Knob in the “ U” or the
“D ” direction until it stops.
2.
Confirm that the angle of the Bending Section is roughly stabilized when you
remove your hand from the UP/DOWN Angulation Control Knob.
3.
Confirm that the Bending Section straightens out when the UP/DOWN
Angulation Lock is turned in the “F ” direction and you remove your fingers
from the UP/DOWN Angulation Control Knob.
Inspecting the RIGHT/LEFT Angulation Mechanism
1.
Turn the RIGHT/LEFT Angulation Lock in the opposite direction of the “F ”
mark. Then turn the RIGHT/LEFT Angulation Control Knob in the “R ” or
the “ L” direction until it stops.
2.
Confirm that the angle of the Bending Section is roughly stabilized when you
remove your hand from the RIGHT/LEFT Angulation Control Knob.
3.
Confirm that the Bending Section straightens out when the RIGHT/LEFT
Angulation Lock is turned in the “F ” direction and you remove your fingers
from the RIGHT/LEFT Angulation Control Knob.
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Chapter 3 Preparation and Inspection
Inspection of the Forceps Elevator Mechanism
Perform the following inspections with the Bending Section in a straight.
Inspection for Smooth Operation
1.
Turn the Elevator Control Lever slowly all the way in the opposite direction
of the “ U” direction. Visually confirm that the portion of the Elevator Wire
extending from the Distal End of the Insertion Tube is not broken or bent.
2.
While observing the Forceps Elevator at the Distal End of the Insertion
Tube, slowly turn the Elevator Control Lever all the way in the “ U”
direction and confirm that the lever can be operated smoothly and that the
Forceps Elevator is raised smoothly.
3.
Then slowly turn the Elevator Control Lever all the way in the opposite
direction and confirm that the lever can be operated smoothly and that the
Forceps Elevator is lowered smoothly (see Figure 3.4).
Figure 3.4
22
EVIS JF/TJF TYPE 240 Series OPERATION MANUAL